Humans, birds and fish can all be affected by PSP toxins. Herbivorous zooplankton is the primary transvector which can in turn transmit the toxin to fish and possibly other marine creatures which consume zooplankton (Baden 1983). The usual route for humans is the consumption of raw or cooked contaminated shellfish.
The definition of obstinate is extremely stubborn and determined to have your own way. An example of obstinate is a person who drives during a severe hurricane despite major warnings not to do so. obstinate. not easily subdued, ended, etc. obstinate.
What is Obstipation? A type of severe form of constipation called Obstipation or Obstructive Constipation which results from an obstruction in the intestines. Itâs a state where the intestines are not fully emptied or there is a failure to pass out stool or gas that will lead to intestinal obstruction. It actually caused by an accumulation of hardened stools due to infrequent bowel movement. There is no specific diagnostic exam for obstipation.